reference [timeline]

[quixotically]

2271: Ranger Unification Treaty
2274: Three Families organized; NCR scouts reach Hoover Dam; New Vegas re-christened; New Vegas treaty signed
2275: Camp McCarran established; conflict with Brotherhood of Steel begins; NCR support to Followers of Apocalypse ends; Benny takes over the Chairmen; Legion begins planning war vs NCR
2275-2276: Legion forces assemble east of the Colorado, NCR becomes aware of the threat
2276: NCR takes HELIOS One
2277: Fortification Hill established; First Battle of Hoover Dam; Joshua Graham becomes the Burned Man
2278: Tabitha claims Black Mountain; Bitter Springs
2281: New Canaan destroyed; the Courier is attacked
2282: Second Battle of Hoover Dam

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2259: Elle is born
2265: Elle's father dies
2273: Elle sets out with Avery, Leland, and Isaac to work on caravans
2275: Avery and Leland die. Isaac returns home. Elle stays with the caravan
2276: Elle begins travelling with Errolyn. the Divide flourishes for a year
2277: the Divide goes boom. the First Battle of Hoover Dam happens
2281: Elle and Errolyn go separate ways. Elle gets shot in the head
2282: Second Battle of Hoover Dam